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公开(公告)号：US3403386A
公开(公告)日：1968-09-24
申请号：US52244066
申请日：1966-01-24
Applicant: BURROUGHS CORP
Inventor： PERKINS CORNELIUS C , ALLEN JR WILLIAM W , AYRES BRUCE L , DOWDS THOMAS A , LEVY BERNARDO N
CPC classification number: B41J21/00 , B41J19/202
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